1 /*
2 * Copyright 2005 Werner Guttmann
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.exolab.castor.xml.schema;
17
18 import org.exolab.castor.xml.schema.facets.MaxExclusive;
19 import org.exolab.castor.xml.schema.facets.MaxInclusive;
20 import org.exolab.castor.xml.schema.facets.MinExclusive;
21 import org.exolab.castor.xml.schema.facets.MinInclusive;
22
23 /**
24 * A factory to create instances of {@link Facet}s.
25 *
26 * @see Facet
27 * @author <a href="mailto:sergei.ivanov@mail.ru">Sergei Ivanov</a>
28 * @version $Revision: 6465 $ $Date: 2006-04-13 06:47:36 -0600 (Thu, 13 Apr 2006) $
29 */
30 public final class FacetFactory {
31
32 /**
33 * A private constructor to disallow direct instantiation.
34 */
35 private FacetFactory() { }
36
37 /**
38 * The singleton instance of the factory.
39 */
40 private static final FacetFactory INSTANCE = new FacetFactory();
41
42 /**
43 * Returns the singleton instance of the facet factory.
44 * @return factory instance
45 */
46 public static FacetFactory getInstance() {
47 return INSTANCE;
48 }
49
50 /**
51 * Creates a new instance of a facet.
52 * @param name facet name (implies facet type)
53 * @param value value of the facet
54 * @return a new facet instance
55 */
56 public Facet createFacet(final String name, final String value) {
57 Facet facet = null;
58 if (Facet.MIN_EXCLUSIVE.equals(name)) {
59 facet = new MinExclusive(value);
60 } else if (Facet.MIN_INCLUSIVE.equals(name)) {
61 facet = new MinInclusive(value);
62 } else if (Facet.MAX_INCLUSIVE.equals(name)) {
63 facet = new MaxInclusive(value);
64 } else if (Facet.MAX_EXCLUSIVE.equals(name)) {
65 facet = new MaxExclusive(value);
66 } else {
67 facet = new Facet(name, value);
68 }
69 // facet.setOwningType(parent);
70 return facet;
71 }
72 }